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Color.A Property

Gets or sets the sRGB alpha channel value of the color.

Namespace:  System.Windows.Media
Assembly:  System.Windows (in System.Windows.dll)
'Declaration
Public Property A As Byte

Property Value

Type: System.Byte
The sRGB alpha channel value of the color, as a value between 0 and 255.

The alpha channel of a Color structure determines the amount of transparency the Color has. An alpha value of 255 indicates the Color is completely opaque and a value of 0 indicates the color is completely transparent.

You can set this value in XAML, but only as part of the attribute syntax for properties that take a Color, or as initialization text of a Color object element. See XAML sections and Remarks sections of Color.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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